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Error code reference

Miele Washer Error Code F10

Water intake fault cold water

Miele codesMiele washer codes

Water intake fault cold water — faucet closed, low water pressure, clogged filters, defective valve, or WCS stopped water intake due to leak.

First step from the service manual

Check if spin lock is activated (only until first commissioning); run a short wash program up to water intake to release spin lock.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F10 means on a Miele washer

The F10 error code on a Miele washer indicates a water intake fault on the cold water supply side. This means the machine attempted to fill with cold water during a wash cycle but did not detect sufficient water entering the drum within the expected timeframe. The control board monitors incoming water flow and triggers F10 when the fill process fails to meet the programmed parameters. This is a protective measure to prevent the machine from operating dry, which could damage the pump, heating element, and other internal components.

The causes of F10 range from simple supply issues to component failures. The most common are a closed or partially closed water supply faucet, low household water pressure, or a clogged inlet filter screen at the back of the machine where the fill hose connects. A defective cold water inlet valve, which is the solenoid-controlled valve that opens to allow water in, can also trigger this fault if it fails to open electrically or becomes mechanically stuck. Additionally, if the machine is equipped with a WaterControl System (WCS), a detected leak condition can cause the WCS to shut off water intake entirely as a safety response, resulting in F10.

Before diagnosing components, Miele specifies one important first step unique to new installations: check whether the spin lock is still active. On machines that have not yet completed their first commissioning, a spin lock may be engaged from the factory. Running a short wash program through the initial water intake phase will release this lock. If the machine is already commissioned, proceed directly to checking the water supply, inlet filters, and valve operation.

Source: manufacturer service documentation.

Common causes of F10

  1. 01

    Closed or restricted water supply faucet

    Wiring / connection

    The cold water tap supplying the washer may be fully or partially closed. Check that the faucet behind or near the machine is turned fully open.

  2. 02

    Clogged inlet filter screen

    Wiring / connection

    A fine mesh filter screen sits at the cold water inlet connection on the back of the machine. Sediment and debris accumulate here over time and can restrict or completely block water flow. Unscrew the inlet hose and inspect and rinse the filter screen.

  3. 03

    Low household water pressure

    Wiring / connection

    Miele washers require a minimum water pressure to trigger proper fill. If other fixtures in the home also show reduced pressure, the issue is with the supply line rather than the machine itself.

  4. 04

    Defective cold water inlet valve

    Part replacement

    The solenoid-operated cold water inlet valve controls water entry into the machine. If the solenoid coil has failed or the valve body is mechanically stuck, the machine will not fill even with adequate supply pressure. This component requires replacement if confirmed faulty.

  5. 05

    WaterControl System (WCS) shutoff due to detected leak

    Wiring / connection

    If the machine is fitted with Miele's WaterControl System, a detected leak condition causes the WCS to cut off water intake as a safety measure, which produces an F10 fault. Inspect the machine and surrounding area for signs of water leakage before resetting.

See the test procedure for each cause

Frequently asked questions about F10

What does F10 mean on a Miele washer?
F10 on a Miele washer indicates a cold water intake fault. The machine attempted to fill with cold water but did not receive adequate flow within the required time. Causes include a closed supply faucet, low water pressure, a blocked inlet filter, a failed cold water inlet valve, or a WaterControl System shutoff triggered by a detected leak.
How do I fix the F10 error on my Miele washer?
Start by confirming the cold water supply faucet is fully open and that household water pressure is normal. Then turn off the water supply, disconnect the cold water inlet hose from the back of the machine, and check the filter screen for debris, rinsing it clean if needed. If those steps do not resolve the fault, inspect the area around the machine for any signs of leakage that may have triggered the WCS shutoff, and consider testing or replacing the cold water inlet valve if the issue persists.
Will resetting the machine clear the F10 error?
A reset may temporarily clear the F10 display, but if the underlying cause is not corrected, the fault will return as soon as the machine attempts to fill again. Address the supply, filter, or valve issue first, then restart the machine. If the WaterControl System triggered the shutoff, the source of the leak must be identified and resolved before normal operation can resume.
Is it safe to keep using my Miele washer with an F10 error?
You should not continue running wash cycles while F10 is active. The machine is not receiving adequate water, which means it cannot complete the wash process correctly and running it in this condition risks damaging the pump and heating element. If the WCS triggered the fault due to a leak, continued use could also result in water damage to the surrounding area.
How much does it cost to repair an F10 error on a Miele washer?
If the fix is simply cleaning the inlet filter screen or opening the supply faucet, there is no parts cost involved. If the cold water inlet valve has failed and needs replacement, parts and labor costs typically range from around $150 to $350 depending on your location and the service provider. Diagnosing a WCS-related shutoff may require a technician visit if the source of the leak is not immediately visible.

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